#pragma once
#ifndef  DOUBLE_MAX
# define DOUBLE_MAX 1.7976931348623157E+308    /* max decimal value of a "double"*/
#endif
#ifndef  DOUBLE_MIN
# define DOUBLE_MIN 2.2250738585072014E-308    /* min decimal value of a "double"*/
#endif
namespace Base {
    class Quantity {
    public:
        static Quantity parse(const QString &string){return Quantity();}
        double getValue() const{return DOUBLE_MIN;}
    };
}